public static CorrelationToken GetCorrelationToken(Activity activity, string correlationTokenName, string ownerActivityName)
{
if (null == correlationTokenName)
{
throw new ArgumentNullException("correlationTokenName");
}
if (null == ownerActivityName)
{
throw new ArgumentNullException("ownerActivityName");
}
if (null == activity)
{
throw new ArgumentNullException("activity");
}
Activity contextActivity = ContextActivityUtils.ContextActivity(activity);
Activity owner = null;
if (!String.IsNullOrEmpty(ownerActivityName))
{
while (contextActivity != null)
{
owner = contextActivity.GetActivityByName(ownerActivityName, true);
if (owner != null)
{
break;
}
contextActivity = ContextActivityUtils.ParentContextActivity(contextActivity);
}
if (owner == null)
{
owner = Helpers.ParseActivityForBind(activity, ownerActivityName);
}
}
if (owner == null)
{
throw new InvalidOperationException(ExecutionStringManager.OwnerActivityMissing);
}
CorrelationTokenCollection collection = owner.GetValue(CorrelationTokenCollectionProperty) as CorrelationTokenCollection;
if (collection == null)
{
collection = new CorrelationTokenCollection();
owner.SetValue(CorrelationTokenCollection.CorrelationTokenCollectionProperty, collection);
}
if (!collection.Contains(correlationTokenName))
{
collection.Add(new CorrelationToken(correlationTokenName));
}
return(collection[correlationTokenName]);
}
internal static void UninitializeCorrelationTokens(Activity activity)
{
CorrelationTokenCollection collection = activity.GetValue(CorrelationTokenCollectionProperty) as CorrelationTokenCollection;
if (collection != null)
{
foreach (CorrelationToken correlator in collection)
{
correlator.Uninitialize(activity);
}
}
}
internal static void UninitializeCorrelationTokens(Activity activity)
{
CorrelationTokenCollection tokens = activity.GetValue(CorrelationTokenCollectionProperty) as CorrelationTokenCollection;
if (tokens != null)
{
foreach (CorrelationToken token in tokens)
{
token.Uninitialize(activity);
}
}
}
public static CorrelationToken GetCorrelationToken(Activity activity, string correlationTokenName, string ownerActivityName)
{
if (correlationTokenName == null)
{
throw new ArgumentNullException("correlationTokenName");
}
if (ownerActivityName == null)
{
throw new ArgumentNullException("ownerActivityName");
}
if (activity == null)
{
throw new ArgumentNullException("activity");
}
Activity activity2 = ContextActivityUtils.ContextActivity(activity);
Activity activityByName = null;
if (!string.IsNullOrEmpty(ownerActivityName))
{
while (activity2 != null)
{
activityByName = activity2.GetActivityByName(ownerActivityName, true);
if (activityByName != null)
{
break;
}
activity2 = ContextActivityUtils.ParentContextActivity(activity2);
}
if (activityByName == null)
{
activityByName = Helpers.ParseActivityForBind(activity, ownerActivityName);
}
}
if (activityByName == null)
{
throw new InvalidOperationException(ExecutionStringManager.OwnerActivityMissing);
}
CorrelationTokenCollection tokens = activityByName.GetValue(CorrelationTokenCollectionProperty) as CorrelationTokenCollection;
if (tokens == null)
{
tokens = new CorrelationTokenCollection();
activityByName.SetValue(CorrelationTokenCollectionProperty, tokens);
}
if (!tokens.Contains(correlationTokenName))
{
tokens.Add(new CorrelationToken(correlationTokenName));
}
return(tokens[correlationTokenName]);
}
